00460nam a2200145Ia 4500008004100000082001600041100002100057245005100078260005400129300000800183650004100191650003400232653002900266653001900295170901s1959    xx            000 0 und d  a631.3bK55A  aKherdekar, D. N. 0aAgricultural Engineering For Extension Workers  aNew DelhibMinistry of Food And Agriculturec1959  a110  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural engineering  aExtension work